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Plan for weekend closures on Auckland’s Northern Motorway


The NZ Transport Agency says two weekend closures later this month will have a big impact on people using the Greville Road interchange on Auckland’s Northern motorway (State Highway 1).

The first of the two closures starts on Friday night 10 October, until Monday morning 13 October.

One of the two lanes at the Greville Road off-ramp will be closed, and there will be other restrictions for road users as the Transport Agency undertakes preliminary work to prepare the interchange for the installation of traffic signals.   

“That area is very busy on the weekends, and we expect some significant delays,” says the Transport Agency’s State Highway Manager Brett Gliddon. “We’re asking people to help us complete our necessary work as quickly as possible by using alternative routes, or allowing plenty of time to get through the interchange.”

There will be sign-posted detour routes. Mr Gliddon says local roads are also expected to be busy, and people using the detours should allow plenty of time to get to their destinations.

“To get the roundabout ready for traffic signals, we need to relocate some existing underground services like power and water and reconstruction of the road itself.

“These closures are an essential step to complete the Upper Harbour Highway to Greville upgrade, and we do appreciate the patience and support we are getting from drivers and businesses in the area while we get on and do this work as safely as possible”, Mr Gliddon adds.

The second weekend closure is planned for Friday night 17 October until Monday morning 20 October.   Both weekend closures are dependent on the weather. 

The Upper Harbour Highway to Greville Road Northbound 3 Laning project is a series of improvements to both local roads and the state highway.

The Transport Agency is responsible for the additional northbound lane on SH1 between the Upper Harbour Highway and Greville Road interchanges and switching the Greville Road/Tawa Drive/Albany Expressway roundabout into a fully signalised intersection.  It is also widening the southbound lane on the Albany Expressway from 1 to 2 lanes. There will also be a new shared walking and cycling path along both Greville Road and the Albany Expressway.

alt [PDF, 4.2 MB]
Click on the image to view maps for Grenville Road Closure and Alternative Routes  (PDF, 4.19MB).

For more information on the Upper Harbour Highway to Greville Northbound 3-Laning project, visit: link) and freephone 0800 72 74 74.



Highway information: link) and freephone 0800 444 449
Get free email alerts on a specific route by signing up to link)
Auckland roads and public transport: link)

For more information please contact:

Ewart Barnsley
Auckland/Northland Media Manager
NZ Transport Agency

T:  09 928 8720
M: 027 213 7616